<!doctype html>
<meta charset="utf-8">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1893127">
<link rel="help" href="https://drafts.csswg.org/css-values/#funcdef-calc">
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="match" href="calc-rounding-003-ref.html">
<style>
  .outer {
    width: 100px;
    border: 1px solid;
  }
  .inner {
    height: 40px;
    vertical-align: top;
    display: inline-block;
    --margin: 4.009px;
    width: calc(50% - 2 * var(--margin));
    margin-inline: var(--margin);
  }
</style>
<div class="outer"
  ><div class="inner"></div
  ><div class="inner"></div
></div>
